Solution Found!
Figure P2.18 shows a graph of actual position-versus-time
Chapter 2, Problem 20P(choose chapter or problem)
Problem 20P
Figure P2.18 shows a graph of actual position-versus-time data for a particular type of drag racer known as a “funny car.”
a. Estimate the car’s velocity at 2.0 s.
b. Estimate the car’s velocity at 4.0 s.
Questions & Answers
QUESTION:
Problem 20P
Figure P2.18 shows a graph of actual position-versus-time data for a particular type of drag racer known as a “funny car.”
a. Estimate the car’s velocity at 2.0 s.
b. Estimate the car’s velocity at 4.0 s.
ANSWER:
Problem 20P
Figure P2.18 shows a graph of actual position-versus-time data for a particular type of drag racer known as a “funny car.”
a. Estimate the car’s velocity at 2.0 s.
b. Estimate the car’s velocity at 4.0 s
:
Step By Step Solution
Step 1 of 2
(a)
Car’s velocity at 2.0s:
This is a displacement time graph, velocity from x-t graph is the slope of the surve.
At t=2s,
We will draw a tangent such that,
Thus, velocity at t=2s is 66.7m/s